â¢ For identification: type of stem (woody or herbaceous), monocot or dicot, has pubescence (hair) or not (glabrous), shape of stem (square â round), or contains glands. Stem Monocot stem
Constantine enacted another change that helped accelerate the fall of the Roman Empire. In 330 C.E., he split the empire into two parts: the western half centered in Rome and the eastern half centered in Constantinople, a city he named after himself.
Control of the Roman Empire between Augustus and Nero was based on military tyranny. In 68, Rome had four emperors, three who died early, leaving the title of princeps to Titus Flavius Vespasianus or Vespasian (9-79; emperor, 69-79).